diy solar

diy solar

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  • Flux Capacitor is live!

    12kW inverting / charging 3 x Victron Multiplus II 5000VA in 3-phase configuration 10kW solar array 12 x 270W Jinko coupled with Victron Smartsolar 250/60 12 x 280W JA Solar coupled with Victron Smartsolar 250/60 8 x 410W JA Solar coupled with Victron Smartsolar 250/70 25kWh 8kW storage...
  • Contactor? SSR? Or rely on Batrium and Victron communication

    To add extra protection to my DIY 48V 560Ah battery, I was thinking on adding a low/high voltage disconnect, controlled by the Batrium BMS. Question 1: I noticed that a lot of people recommend the Gigavac EV200/GV200 Here, €125+Shipping...
  • Hacking my Tesla Model S for an Emergency 12v Power Source

    Regarding this video from Will: I also have a Tesla Model S. Additionally, I have a Victron Multiplus II 3000VA + 3.2kW PV with a Victron MPPT 250/60 + 5kWh BYD 48v battery. What do you think of these 2 alternatives to extract energy out of the Tesla’s 12V system, and seamlessly into my...
  • Opinions on how I'm connecting these 32 * LFP 280Ah cells (16S2P)

    This is how I plan to connect 32 x 280Ah LFP cells, into a 48V 560Ah battery. The cells will be assembled into 2 server cabinet shelves. 95% of the time the battery will be pushing <50A. And 99,9% of the time it will be <150A. Having said that, I would still like to dimension the connections for...
  • Protections and disconnects between DYI battery and grid-tied hybrid inverter

    Right now, I have a working system: Victron MultiPlus-II 48/3000/35-32 (to be upgraded later on) 3,3kW solar array, connected to a Victron Bluesolar 250/60 MPPT (to be upgraded later on) Victron Venus GX BYD 5kWh battery I'm swapping the BYD battery for a big DYI battery. To do that, I’ve just...
  • Batrium "Device is out of sync" after firmware re-flash of WM4

    I was incredibly unlucky (aka dumb) and flashed a ESPHome binary, destined to an ESP32, into WatchMon4. After realising my mistake, I was able to successfully reflash WM4 with the correct firmware, using the Batrium tool. I'm now able to connect again to the WM4, via USB or WIFI, using the...
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